How to evaluate for tangent using a calculator in radians tan

The video tutorial explains the importance of correctly setting a calculator to radians or degrees when evaluating trigonometric functions. It uses the example of evaluating tan(π/3) and provides step-by-step instructions for using a TI calculator to ensure accurate results. The tutorial emphasizes the need for students to follow directions carefully to avoid errors.

Why is it important to follow directions when using calculators for trigonometric functions?

• To avoid damaging the calculator

• To ensure the calculator is in the correct mode

• To make the calculator faster

• To save battery life

What are the two units in which trigonometric functions can be evaluated?

• Meters and feet

• Liters and gallons

• Radians and degrees

• Kilograms and pounds

What is the first step when using a TI calculator to evaluate trigonometric functions?

• Set the calculator to the correct mode

• Check the battery level

• Turn off the calculator

• Clear the calculator's memory

How do you ensure the TI calculator is set to radians?

• Enter the number 3.14

• Select the Degree option in the mode settings

• Highlight the Radian option in the mode settings

• Press the power button twice

What is the decimal approximation of tan(π/3) using a calculator?

• 1.732

• 3.142

• 2.718

• 0.577